This part is from KSP Interstellar Extended
cost:
20000
mass:
4
category:
Engine
TechRequired:
veryHighEfficiencyPropulsion
engine_data:
standard
{"isp"=>{"vac"=>285.0, "atmo"=>255.0}, "propellant_ratios"=>{"AluLOx"=>1.0}, "max_thrust"=>1000.0}
